Super duper forms

test.rb

require "bundler/inline"

gemfile do
  source 'https://rubygems.org'

  gem 'phlex'
end

class Field < Phlex::HTML
  def template
    p { "Field" }
  end
end

class Form < Phlex::HTML
  def field
    render Field.new
  end

  def template
    p { "Form"  }
    yield if block_given?
  end
end

class Page < Phlex::HTML
  def parent
    if block_given?
      render Form.new do
        yield
      end
    else
      Form.new
    end
  end

  def template
    # This works
    render Form.new do |parent|
      parent.field
    end

    # This fails with `undefined method `target' for nil`
    begin
      parent = Form.new
      render parent.field
    rescue => e
      plain e.inspect
    end
  end
end

Page.new.call $stdout